they don't take care of us. so we better feed ourselves. now through porous borders and the defectors from north korea, maybe up to 20,000 in south koreas, basically north koreans are learning that they have to change. >> warner: a lot to walk. thank you both. >> thank you. >> thank you. >> ifill: again, the other major developments of the day. home prices rose again in july, thanks in part to a federal tax credit for home buyers. but consumer confidence was down this month to the lowest point since february. and former president jimmy carter was taken to a cleveland hospital after he got sick on a flight from atlanta. a grandson said he had a "stomach bug." and to hari sreenivasan, in our newsroom, for what's on the newshour online. hari? >> sreenivasan: if you're weighing whether to rent or buy a home, we rounded up online calculators to help you sort through the pros and cons. that's on the rundown. judy woodruff talks to the co- author of a new book that looks at the "up" side of earmarks. are they good for u.s. democracy? >> brown: and